[gelöst] Upgrade auf 8.4.4 und Fehler

Auf der Website ist ein unvorhergesehener Fehler aufgetreten. Bitte versuchen Sie es später nochmal.Drupal\Core\Database\DatabaseExceptionWrapper: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'revision.revision_user' in 'field list': SELECT revision.revision_id AS revision_id, revision.langcode AS langcode, revision.revision_user AS revision_user, revision.revision_created AS revision_created, revision.revision_log AS revision_log, base.id AS id, base.type AS type, base.uuid AS uuid, CASE base.revision_id WHEN revision.revision_id THEN 1 ELSE 0 END AS isDefaultRevision
FROM
{block_content} base
INNER JOIN {block_content_revision} revision ON revision.revision_id = base.revision_id; Array
(
)
in Drupal\Core\Entity\Sql\SqlContentEntityStorage->getFromStorage() (line 456 of core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorage.php).